Method for producing hydrazines by reacting chloramine with ammo

Details Method for producing hydrazines by reacting chloramine with ammo Method for producing hydrazines by reacting chloramine with ammo

1978-08-18

1980-03-11

Doll, John

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260569, 260583B, 260705, C07C 8526, C07C10902, C07C10904

Patent

active

041928199

ABSTRACT:
Monomethylhydrazine and dimethylhydrazine are prepared in a multi-step prss which comprises the steps of reacting chlorine and ammonia to form gaseous chloramine, introducing the chloramine into the lower reaction layer of a liquid two-phase caustic-amine or caustic/ammonia system, reacting the chloramine with the available ammonia or the available amine, and then transferring the forming hydrazine from the lower reaction layer to the upper storage layer of the two-phase system.

REFERENCES:
patent: 2806851 (1957-09-01), Sisler et al.
patent: 2876173 (1959-03-01), Nicolaisen
patent: 3098017 (1963-07-01), Walter et al.
patent: 3151163 (1964-09-01), Nussbaum
patent: 3168568 (1965-02-01), Clark et al.
patent: 3254952 (1966-06-01), Raleigh et al.
patent: 4124452 (1978-11-01), Henderson

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